Last week, officials in Compton, Calif., also floated the possibility of bankruptcy. While Compton -- unlike others -- is not hampered by pension obligations, cash flow problems have plagued the city. City Manager Harold Duffey attempted to alleviate fears of bankruptcy on Tuesday, asserting that the city's projected revenues met its annual obligations.

A total of 26 municipalities have filed for Chapter 9 bankruptcy protection since 2010, according to federal records. All but six of these were filed by lesser-known taxing entities, such as local utility authorities, hospitals and other special districts.

In Omaha, Neb., eight Sanitary and Improvement Districts have filed for bankruptcy in recent years.

The Suffolk (N.Y.) Regional Off-Track Betting Corporation filed for bankruptcy in May after the state Legislature changed the state's laws to allow the agency to do so. Suffolk OTB, which manages six branches, reported a $5.1 million net operating loss for 2011.

The map below shows all municipalities filing for Chapter 9 bankruptcy protection since 2010, along with the city of San Bernardino, which voted to approve a bankruptcy filing.

Cities, towns and counties are shown in red. Utility authorities and other municipal entities are displayed in gray. Click a marker to view details of each filing. Please note that several municipal bankruptcy filings have been rejected, as indicated.